Answer the following: Why can our elbow not move backwards?

Answer the following : which part of our central neural system acts as a master clock?

Answer the following questions: (d) Why must both the objective and the eyepiece of a compound microscope have short focal lengths?

Draw a number line and answer the following : (b) Which number will we reach if we move 5 numbers to the left of 1.

Draw a number line and answer the following : (a) Which number will we reach if we move 4 numbers to the right of -2.

It is often advised to stop our vehkcles' engine ata red-light signal and also to drive car / vehicles at constant speed. Based on the above statement, answer the following questions. How can you contribute towards saving these fuels at your level?

In the following acid-base reaction, in which can backward reaction if favoured?

Plastic producton is increasing day by day in spite of the fact that plastic is harmful for the environment. Based on the above statement, answer the following. In our day-to-day situatlons what are the alternatives that we can use instead of plastics?

Plastic producton is increasing day by day in spite of the fact that plastic is harmful for the environment. Based on the above statement, answer the following. In our day-to-day situatlons what are the alternatives that we can use instead of plastics?

Answer the following questions: (c) Why should gases be insulators at ordinary pressures and start conducting at very low pressures?